A great way to warm your toes or fingers on those long nights of observing. These hand warmers last for at least 5 hours, they are odorless, environmentally safe and provide a heat source in the coldest of conditions. Open, shake it up and stuff it in your gloves or pocket. Or get the adhesive toe warmers to throw in your socks.
Average activated temperature: 135 degrees fahrenheit
Buy risk-free: When it’s time to trade up you’ll get the most value for your used gear.